Internal combustion engine



FIG. 1 is a front elevational view of an internal combustion engine showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front perspective view thereof; and,

FIG. 8 is a rear perspective view thereof.

The broken lines showing portions of the internal combustion engine as seen in FIGS. 2, 4–5 and 8 are included for the purpose of illustrating environmental structure and forms no part of the claimed design.

The trademark “Kawasaki” and warning messages in the drawings form no part of the claimed design.

The “Kawasaki” is a registered trademark of Kawasaki Jukogyo Kabushiki Kaisha. 

The ornamental design for an internal combustion engine, as shown and described. 